maths

posted by .

Choose the option that gives the solution of the initial-value problem
dy
dx=(1 + 2 cos2x^2)/y (y > 0), y= 1 when x = 0.
Options
A y = 1+ 2sin^2 x
B y = (1 + 2 sin x)^2
C y = (4x + cos(2x))^2
D y = 4x + cos^2 x
E y =sqrt(4x + cos(2x)
F y =sqrt(1 + 4x + sin(2x))
G y =1/(sqrt(2x + cos(2x))
H y = 1/(sqrt(1 + sin(2x))

Respond to this Question

First Name

School Subject

Your Answer

Similar Questions

  1. maths

    the function y = 5 + 3 sin (pie t /3 + pie /2) choose one option which gives the value of the funtion when t = 3. choose the option which gives the period of the function. from the options below. 0, 1/6, pie/6, 2, 3, pie, 5, 6 wod …
  2. maths

    the function y = 5 + 3 sin (pie t /3 + pie /2) choose one option which gives the value of the funtion when t = 3. choose the option which gives the period of the function. from the options below. 0, 1/6, pie/6, 2, 3, pie, 5, 6 wod …
  3. Math - Trig - Double Angles

    Prove: sin2x / 1 - cos2x = cotx My Attempt: LS: = 2sinxcosx / - 1 - (1 - 2sin^2x) = 2sinxcosx / - 1 + 2sin^2x = cosx / sinx - 1 = cosx / sinx - 1/1 = cosx / sinx - sinx / sinx -- Prove: 2sin(x+y)sin(x-y) = cos2y - cos2x My Attempt: …
  4. maths

    HI THERE, COULD SOME ONE PLEASE HLEP ME ON THIS QUESTION... A sample of the near-ground air concentration of caesium-137 at 11 locations in southern Germany a few days after the Chernobyl nuclear accident in 1986 consisted of the following …
  5. Precal

    I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A + cos A) ) = 1 - sin A cos A note that all the trig terms are closed right after there A's example sin A cos A = sin (A) cos (A) I wrote it out like this 0 = - …
  6. maths

    The heights in centimetres of men in a sample selected at random may be modelled by a normal distribution with mean 180.5 and standard deviation 11.3. 1 Choose the option that is closest to the value above which 30% of the heights …
  7. maths

    The number of vehicles entering each of 15 junctions from a motorway during a 20-minute period on a Sunday morning is given below. 7 26 30 26 19 22 12 30 8 28 8 15 26 32 4 1 Choose the option that gives the median number of vehicles …
  8. maths

    Choose the option that gives an expression for the indefinite integral ʃ (cos(4x) + 2x^2)(sin(4x) − x) dx. In each option, c is an arbitrary constant. Options A cos(4x) + 2x^2 +c B -1/8cos(4x) + 2x^2)^2 +c C 1/4 (sin(4x) …
  9. maths

    By first applying the Product Rule, choose the option that gives (correct to two decimal places) the overall maximum value of the function f(x) = e^3x cos(2x) on the interval [1/12 π, 1/4π]. Options A 0.49 B 1.90 C 2.19 D …
  10. maths

    The method for completing the square can be used to write the expression −2x^2 + 12x−5 in the form a(x + b)^2 + c, where a, b and c are constants. Choose the option that gives the value of c. Options A −23 B −13 …

More Similar Questions